Hidden bacteria : What is it?


Hidden bacteremia is defined as the presence of bacteria in the bloodstream of febrile toddlers who have no apparent foci of infection and are apparently well. The main treatment is done with antibiotics, either in the hospital or on an outpatient basis.

It is identified in patients without clinical evidence of sepsis (for example, shock or purpura), who have neither the underlying chronic medical conditions nor the clear foci of infection in the examination (other than otitis), and that in ambulatory patients. they are discharged home after the evaluation.

Main symptoms of Occult Bacteremia

  • Tachypnea
  • Fever
  • Tachycardia
  • Hypoxemia
  • diaforesis


Although most episodes of occult bacteremia resolve spontaneously, serious complications can occur, such as pneumonia, septic arthritis, osteomyelitis, meningitis, sepsis, and death.

The risks of occult bacteremia:

Low risk:

  • Age> 3 years
  • Temperatura < 39.4oC
  • High risk
  • Age <2 years Temperature> 40 ° C


  • Correct metabolic abnormalities
  • Transfusion
  • The volume replacement
  • Antibiotics
  • Hydrocortisone


  • Abscesses
  • Peritonitis (inflammation of the abdominal cavity)
  • Endocarditis (inflammation of the heart)
  • Meningitis
  • Septicemia